Update ruby/setup-ruby action to v1.268.0 (#223)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -24,7 +24,7 @@ jobs:
           path: _site
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.264.0
+        uses: ruby/setup-ruby@v1.268.0
 
       # Runs a single command using the runners shell
       - name: Run Jekyll build and deploy

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.264.0
+        uses: ruby/setup-ruby@v1.268.0
 
       - name: Run Jekyll build
         run: |